Lego sure has been partying hard these past few months. Last weekend, it celebrated Brickfair in Chantilly, Virginia, and Friday marked the 80th birthday of the original Lego wooden toy company. This past spring, Lego marked another milestone — 50 years in Japan — and celebrated by encouraging children to build a…»8/12/12 5:00pm 8/12/12 5:00pm